package com.qf.java2102.qihaonan.hotel.filters;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author qhn
 * @version 1.0
 */
@WebFilter("/*")
public class EncodingFilter implements Filter {

    @Override
    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {

        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) resp;

        String uri = request.getRequestURI();
        if(uri.endsWith(".html") || uri.endsWith(".css") || uri.endsWith(".js")) {
            chain.doFilter(request, response);
            return;
        }
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=UTF-8");
        chain.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig config) throws ServletException {}

    @Override
    public void destroy() {
    }

}
